388906440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13121}}^1$

素因数の和:13167

約数の個数: 128

約数和(自身を含む): 1322697600

約数和(自身を除く): 933791160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1140, 1235, 1482, 1560, 1976, 2280, 2470, 2964, 3705, 4940, 5928, 7410, 9880, 13121, 14820, 26242, 29640, 39363, 52484, 65605, 78726, 104968, 131210, 157452, 170573, 196815, 249299, 262420, 314904, 341146, 393630, 498598, 511719, 524840, 682292, 747897, 787260, 852865, 997196, 1023438, 1246495, 1364584, 1495794, 1574520, 1705730, 1994392, 2046876, 2492990, 2558595, 2991588, 3240887, 3411460, 3739485, 4093752, 4985980, 5117190, 5983176, 6481774, 6822920, 7478970, 9722661, 9971960, 10234380, 12963548, 14957940, 16204435, 19445322, 20468760, 25927096, 29915880, 32408870, 38890644, 48613305, 64817740, 77781288, 97226610, 129635480, 194453220, 388906440]

約数ペア:

[(1, 388906440), (2, 194453220), (3, 129635480), (4, 97226610), (5, 77781288), (6, 64817740), (8, 48613305), (10, 38890644), (12, 32408870), (13, 29915880), (15, 25927096), (19, 20468760), (20, 19445322), (24, 16204435), (26, 14957940), (30, 12963548), (38, 10234380), (39, 9971960), (40, 9722661), (52, 7478970), (57, 6822920), (60, 6481774), (65, 5983176), (76, 5117190), (78, 4985980), (95, 4093752), (104, 3739485), (114, 3411460), (120, 3240887), (130, 2991588), (152, 2558595), (156, 2492990), (190, 2046876), (195, 1994392), (228, 1705730), (247, 1574520), (260, 1495794), (285, 1364584), (312, 1246495), (380, 1023438), (390, 997196), (456, 852865), (494, 787260), (520, 747897), (570, 682292), (741, 524840), (760, 511719), (780, 498598), (988, 393630), (1140, 341146), (1235, 314904), (1482, 262420), (1560, 249299), (1976, 196815), (2280, 170573), (2470, 157452), (2964, 131210), (3705, 104968), (4940, 78726), (5928, 65605), (7410, 52484), (9880, 39363), (13121, 29640), (14820, 26242)]